ISRC GBBBB0105303

Verified recording

GBBBB0105303 is “Mass No.14 'Harmoniemesse' in B flat. Hob.XXII/14 (1802): Gratias” by Joseph Haydn, registered on the CopyrightChains blockchain with CopyrightID 0xa3c984d738b7f9710cba43c67bd1b57c5727b89aee3a892bcf00ff2f0c69d294 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB0105303.

Recording identifiers

ISRC
GBBBB0105303
Title
Mass No.14 'Harmoniemesse' in B flat. Hob.XXII/14 (1802): Gratias
Artist
Joseph Haydn
CopyrightID (CopyrightChains transaction hash)
0xa3c984d738b7f9710cba43c67bd1b57c5727b89aee3a892bcf00ff2f0c69d294

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:0241132731f21594cce1d91205f6d9639d599f6753c87f1141c57a38990b26a6
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB0105303
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Mass No.14 'Harmoniemesse' in B flat. Hob.XXII/14 (1802): Gratias · Machine-readable JSON-LD